// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package org.chromium.chrome.browser.provider;
import android.app.SearchManager;
import android.content.ContentValues;
import android.content.Context;
import android.content.UriMatcher;
import android.database.Cursor;
import android.database.MatrixCursor;
import android.net.Uri;
import androidx.annotation.VisibleForTesting;
/**
* This class provides access to user data stored in Chrome, such as bookmarks, most visited pages,
* etc. It is used to support android.provider.Browser.
*/
public class ChromeBrowserProviderImpl extends ChromeBrowserProvider.Impl {
private static final String TAG = "ChromeBrowserProvider";
/**
* A projection of {@link #SEARCHES_URI} that contains {@link SearchColumns#ID},
* {@link SearchColumns#SEARCH}, and {@link SearchColumns#DATE}.
*/
@VisibleForTesting
public static final String[] SEARCHES_PROJECTION =
new String[] {
// if you change column order you must also change indices below
SearchColumns.ID, // 0
SearchColumns.SEARCH, // 1
SearchColumns.DATE, // 2
};
// Defines Chrome's API authority, so it can be run and tested
// independently.
private static final String API_AUTHORITY_SUFFIX = ".browser";
private static final String BROWSER_CONTRACT_API_AUTHORITY =
"com.google.android.apps.chrome.browser-contract";
// These values are taken from android.provider.BrowserContract.java since
// that class is hidden from the SDK.
private static final String BROWSER_CONTRACT_AUTHORITY = "com.android.browser";
private static final String BROWSER_CONTRACT_HISTORY_CONTENT_TYPE =
"vnd.android.cursor.dir/browser-history";
private static final String BROWSER_CONTRACT_HISTORY_CONTENT_ITEM_TYPE =
"vnd.android.cursor.item/browser-history";
private static final String BROWSER_CONTRACT_BOOKMARK_CONTENT_TYPE =
"vnd.android.cursor.dir/bookmark";
private static final String BROWSER_CONTRACT_BOOKMARK_CONTENT_ITEM_TYPE =
"vnd.android.cursor.item/bookmark";
private static final String BROWSER_CONTRACT_SEARCH_CONTENT_TYPE =
"vnd.android.cursor.dir/searches";
private static final String BROWSER_CONTRACT_SEARCH_CONTENT_ITEM_TYPE =
"vnd.android.cursor.item/searches";
// This Authority is for internal interface. It's concatenated with
// Context.getPackageName() so that we can install different channels
// SxS and have different authorities.
private static final String AUTHORITY_SUFFIX = ".ChromeBrowserProvider";
private static final String BOOKMARKS_PATH = "bookmarks";
private static final String SEARCHES_PATH = "searches";
private static final String HISTORY_PATH = "history";
private static final String COMBINED_PATH = "combined";
private static final int URI_MATCH_BOOKMARKS = 0;
private static final int URI_MATCH_BOOKMARKS_ID = 1;
private static final int URL_MATCH_API_BOOKMARK = 2;
private static final int URL_MATCH_API_BOOKMARK_ID = 3;
private static final int URL_MATCH_API_SEARCHES = 4;
private static final int URL_MATCH_API_SEARCHES_ID = 5;
private static final int URL_MATCH_API_HISTORY_CONTENT = 6;
private static final int URL_MATCH_API_HISTORY_CONTENT_ID = 7;
private static final int URL_MATCH_API_BOOKMARK_CONTENT = 8;
private static final int URL_MATCH_API_BOOKMARK_CONTENT_ID = 9;
private static final int URL_MATCH_BOOKMARK_SUGGESTIONS_ID = 10;
private static final int URL_MATCH_BOOKMARK_HISTORY_SUGGESTIONS_ID = 11;
private static final String[] BOOKMARK_DEFAULT_PROJECTION =
new String[] {
BookmarkColumns.ID,
BookmarkColumns.URL,
BookmarkColumns.VISITS,
BookmarkColumns.DATE,
BookmarkColumns.BOOKMARK,
BookmarkColumns.TITLE,
BookmarkColumns.FAVICON,
BookmarkColumns.CREATED
};
private final Object mInitializeUriMatcherLock = new Object();
private UriMatcher mUriMatcher;
private void ensureUriMatcherInitialized() {
synchronized (mInitializeUriMatcherLock) {
if (mUriMatcher != null) return;
mUriMatcher = new UriMatcher(UriMatcher.NO_MATCH);
// The internal URIs
String authority = getContext().getPackageName() + AUTHORITY_SUFFIX;
mUriMatcher.addURI(authority, BOOKMARKS_PATH, URI_MATCH_BOOKMARKS);
mUriMatcher.addURI(authority, BOOKMARKS_PATH + "/#", URI_MATCH_BOOKMARKS_ID);
// The internal authority for public APIs
String apiAuthority = getContext().getPackageName() + API_AUTHORITY_SUFFIX;
mUriMatcher.addURI(apiAuthority, BOOKMARKS_PATH, URL_MATCH_API_BOOKMARK);
mUriMatcher.addURI(apiAuthority, BOOKMARKS_PATH + "/#", URL_MATCH_API_BOOKMARK_ID);
mUriMatcher.addURI(apiAuthority, SEARCHES_PATH, URL_MATCH_API_SEARCHES);
mUriMatcher.addURI(apiAuthority, SEARCHES_PATH + "/#", URL_MATCH_API_SEARCHES_ID);
mUriMatcher.addURI(apiAuthority, HISTORY_PATH, URL_MATCH_API_HISTORY_CONTENT);
mUriMatcher.addURI(apiAuthority, HISTORY_PATH + "/#", URL_MATCH_API_HISTORY_CONTENT_ID);
mUriMatcher.addURI(apiAuthority, COMBINED_PATH, URL_MATCH_API_BOOKMARK);
mUriMatcher.addURI(apiAuthority, COMBINED_PATH + "/#", URL_MATCH_API_BOOKMARK_ID);
// The internal authority for BrowserContracts
mUriMatcher.addURI(
BROWSER_CONTRACT_API_AUTHORITY, HISTORY_PATH, URL_MATCH_API_HISTORY_CONTENT);
mUriMatcher.addURI(
BROWSER_CONTRACT_API_AUTHORITY,
HISTORY_PATH + "/#",
URL_MATCH_API_HISTORY_CONTENT_ID);
mUriMatcher.addURI(
BROWSER_CONTRACT_API_AUTHORITY, COMBINED_PATH, URL_MATCH_API_BOOKMARK);
mUriMatcher.addURI(
BROWSER_CONTRACT_API_AUTHORITY,
COMBINED_PATH + "/#",
URL_MATCH_API_BOOKMARK_ID);
mUriMatcher.addURI(
BROWSER_CONTRACT_API_AUTHORITY, SEARCHES_PATH, URL_MATCH_API_SEARCHES);
mUriMatcher.addURI(
BROWSER_CONTRACT_API_AUTHORITY,
SEARCHES_PATH + "/#",
URL_MATCH_API_SEARCHES_ID);
mUriMatcher.addURI(
BROWSER_CONTRACT_API_AUTHORITY, BOOKMARKS_PATH, URL_MATCH_API_BOOKMARK_CONTENT);
mUriMatcher.addURI(
BROWSER_CONTRACT_API_AUTHORITY,
BOOKMARKS_PATH + "/#",
URL_MATCH_API_BOOKMARK_CONTENT_ID);
// Added the Android Framework URIs, so the provider can easily switched
// by adding 'browser' and 'com.android.browser' in manifest.
// The Android's BrowserContract
mUriMatcher.addURI(
BROWSER_CONTRACT_AUTHORITY, HISTORY_PATH, URL_MATCH_API_HISTORY_CONTENT);
mUriMatcher.addURI(
BROWSER_CONTRACT_AUTHORITY,
HISTORY_PATH + "/#",
URL_MATCH_API_HISTORY_CONTENT_ID);
mUriMatcher.addURI(BROWSER_CONTRACT_AUTHORITY, "combined", URL_MATCH_API_BOOKMARK);
mUriMatcher.addURI(BROWSER_CONTRACT_AUTHORITY, "combined/#", URL_MATCH_API_BOOKMARK_ID);
mUriMatcher.addURI(BROWSER_CONTRACT_AUTHORITY, SEARCHES_PATH, URL_MATCH_API_SEARCHES);
mUriMatcher.addURI(
BROWSER_CONTRACT_AUTHORITY, SEARCHES_PATH + "/#", URL_MATCH_API_SEARCHES_ID);
mUriMatcher.addURI(
BROWSER_CONTRACT_AUTHORITY, BOOKMARKS_PATH, URL_MATCH_API_BOOKMARK_CONTENT);
mUriMatcher.addURI(
BROWSER_CONTRACT_AUTHORITY,
BOOKMARKS_PATH + "/#",
URL_MATCH_API_BOOKMARK_CONTENT_ID);
// For supporting android.provider.browser.BookmarkColumns and
// SearchColumns
mUriMatcher.addURI("browser", BOOKMARKS_PATH, URL_MATCH_API_BOOKMARK);
mUriMatcher.addURI("browser", BOOKMARKS_PATH + "/#", URL_MATCH_API_BOOKMARK_ID);
mUriMatcher.addURI("browser", SEARCHES_PATH, URL_MATCH_API_SEARCHES);
mUriMatcher.addURI("browser", SEARCHES_PATH + "/#", URL_MATCH_API_SEARCHES_ID);
mUriMatcher.addURI(
apiAuthority,
BOOKMARKS_PATH + "/" + SearchManager.SUGGEST_URI_PATH_QUERY,
URL_MATCH_BOOKMARK_SUGGESTIONS_ID);
mUriMatcher.addURI(
apiAuthority,
SearchManager.SUGGEST_URI_PATH_QUERY,
URL_MATCH_BOOKMARK_HISTORY_SUGGESTIONS_ID);
}
}
@Override
public Cursor query(
Uri uri,
String[] projection,
String selection,
String[] selectionArgs,
String sortOrder) {
return new MatrixCursor(BOOKMARK_DEFAULT_PROJECTION, 0);
}
@Override
public Uri insert(Uri uri, ContentValues values) {
return null;
}
@Override
public int delete(Uri uri, String selection, String[] selectionArgs) {
return 0;
}
@Override
public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
return 0;
}
@VisibleForTesting
public static String getApiAuthority(Context context) {
return context.getPackageName() + API_AUTHORITY_SUFFIX;
}
@VisibleForTesting
public static Uri getBookmarksApiUri(Context context) {
return buildContentUri(getApiAuthority(context), BOOKMARKS_PATH);
}
@VisibleForTesting
public static Uri getSearchesApiUri(Context context) {
return buildContentUri(getApiAuthority(context), SEARCHES_PATH);
}
@Override
public String getType(Uri uri) {
// Keep returning non-null values just in case, to avoid breaking old apps.
ensureUriMatcherInitialized();
int match = mUriMatcher.match(uri);
return switch (match) {
case URI_MATCH_BOOKMARKS,
URL_MATCH_API_BOOKMARK -> BROWSER_CONTRACT_BOOKMARK_CONTENT_TYPE;
case URI_MATCH_BOOKMARKS_ID,
URL_MATCH_API_BOOKMARK_ID -> BROWSER_CONTRACT_BOOKMARK_CONTENT_ITEM_TYPE;
case URL_MATCH_API_SEARCHES -> BROWSER_CONTRACT_SEARCH_CONTENT_TYPE;
case URL_MATCH_API_SEARCHES_ID -> BROWSER_CONTRACT_SEARCH_CONTENT_ITEM_TYPE;
case URL_MATCH_API_HISTORY_CONTENT -> BROWSER_CONTRACT_HISTORY_CONTENT_TYPE;
case URL_MATCH_API_HISTORY_CONTENT_ID -> BROWSER_CONTRACT_HISTORY_CONTENT_ITEM_TYPE;
default -> throw new IllegalArgumentException(uri.toString());
};
}
private static Uri buildContentUri(String authority, String path) {
return Uri.parse("content://" + authority + "/" + path);
}
}
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